Exacum

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exacum

(ˈɛksəkəm)

(Plants) any plant of the annual or perennial tropical genus Exacum; some are grown as greenhouse biennials for their bluish-purple platter-shaped flowers: family Gentianaceae

[Latin, a name for centaury, from ex out + agere to drive]

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Noun 1. Exacum - genus of tropical Asiatic and African plants: especially Persian violets

genus Exacum

dicot genus, magnoliopsid genus - genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

family Gentianaceae, gentian family, Gentianaceae - chiefly herbaceous plants with showy flowers; some are cultivated as ornamentals

Exacum affine, Persian violet - perennial cultivated especially as a houseplant for its fragrant bluish to dark lavender flowers

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hildebrandtii, Cissus hamaderohensis, Dracaena cinnabari, Exacum affine, Cleome socotrana, Jatropha unicostata and Kalanchoe farinacea.

Short Communication - Study of Antiviral Potential of Cholistani Plants against New Castle Disease Virus

There are also flowers in which the curvature of the stamens and the style are in opposite directions (e.g., Exacum: stamens: down-up-down, style: up-down-up).

The immense diversity of floral monosymmetry and asymmetry across angiosperms

Besides these, other species Andrographis paniculata, Exacum tetragonum, E.

Molecular differentiation and phylogeny of Swertia (Gentianaceae) of the Himalayan region, Nepal